8 Sep
2007
8 Sep
'07
4:12 a.m.
Hi Re ! as an operator: This caused a number of complexities in the parsing of stuff, including shift-reduce conflicts. Someone would need to look into this, and determine that the rules are completely unambiguous.
Backwards compatibility requires that it be implicitly imported from Prelude even in a module that does "import Prelude ( )" (although Hugs is already broken in this regard).
In particular, Haskell-98 bans
import Prelude ( (:) )
Yhc does not meet this restriction either. Perhaps this is a change that is breaking but minor enough to be permitted for H', since everyone already does the reverse. Thanks Neil